File
... 6. Which of the following statements are true for the atomic radius within the same period? I) Moving from left to right across a given period, there is an increase in the number of electrons, protons and neutrons, and thus the atomic radius increases. II) The atomic radius decreases with the increa ...
... 6. Which of the following statements are true for the atomic radius within the same period? I) Moving from left to right across a given period, there is an increase in the number of electrons, protons and neutrons, and thus the atomic radius increases. II) The atomic radius decreases with the increa ...
Trends in The Periodic Table OL Page 1 of 3 G. Galvin Name
... -define and explain atomic radius -explain the general trends in values of atomic radii (covalent radii only) • down a group • across a period (main group elements only) -define and explain first ionisation energy -explain how chemical properties of elements depend on their electronic structu ...
... -define and explain atomic radius -explain the general trends in values of atomic radii (covalent radii only) • down a group • across a period (main group elements only) -define and explain first ionisation energy -explain how chemical properties of elements depend on their electronic structu ...
315`01-01
... 3) Ductile (draw into wires) _______ 16. Which tends to be more reactive: alkali metals or alkaline earth metals? Alkali Metals 17. An ionic compound that is brightly colored generally contains which type of metal? Transition Metals 18. True or false: A. T____Group 18 elements are very unreactive B. ...
... 3) Ductile (draw into wires) _______ 16. Which tends to be more reactive: alkali metals or alkaline earth metals? Alkali Metals 17. An ionic compound that is brightly colored generally contains which type of metal? Transition Metals 18. True or false: A. T____Group 18 elements are very unreactive B. ...
Periodic Table
... Harder, denser, stronger, but less reactive than alkali metals E.g. magnesium and calcium ...
... Harder, denser, stronger, but less reactive than alkali metals E.g. magnesium and calcium ...
Determining Density through graphing
... In the first week, she studied daily for 15 minutes and her end of the week test scores were 60%. During the second week, she studied daily for 30 minutes and her end of the week test scores were 70%. During the third week, she studied for 45 minutes and her end of the week test scores were 80%. Fin ...
... In the first week, she studied daily for 15 minutes and her end of the week test scores were 60%. During the second week, she studied daily for 30 minutes and her end of the week test scores were 70%. During the third week, she studied for 45 minutes and her end of the week test scores were 80%. Fin ...
PERIODIC CLASSIFICATION OF ELEMENTS
... as the Modern Periodic Table. Prediction of properties of elements could be made with more precision when elements were arranged on the basis of increasing atomic number. Position of Elements in the Modern Periodic Table : The Modern Periodic Table has 18 vertical columns known as ‘groups’ and 7 hor ...
... as the Modern Periodic Table. Prediction of properties of elements could be made with more precision when elements were arranged on the basis of increasing atomic number. Position of Elements in the Modern Periodic Table : The Modern Periodic Table has 18 vertical columns known as ‘groups’ and 7 hor ...
Chemistry 4.2
... The atomic mass of an element is a weighted average mass of the atoms in a naturally occurring sample of the element. A weighted average mass reflects both the mass and the relative abundance of the isotopes as they occur in nature. ...
... The atomic mass of an element is a weighted average mass of the atoms in a naturally occurring sample of the element. A weighted average mass reflects both the mass and the relative abundance of the isotopes as they occur in nature. ...
Unit 3 `Atoms and the Periodic Table` Study Guide
... periodic table. Depending on the periodic table being used, it may or may not include actinium (element 89.) The actinides always contain elements 90 – 103. Alkali Metal – The alkali metals, found in group 1 of the periodic table (formerly known as group IA), are very reactive metals that do not occ ...
... periodic table. Depending on the periodic table being used, it may or may not include actinium (element 89.) The actinides always contain elements 90 – 103. Alkali Metal – The alkali metals, found in group 1 of the periodic table (formerly known as group IA), are very reactive metals that do not occ ...
Questions on The Periodic Table
... 12. What is true of elements 1-92? What is true of elements above 92 on the table? 13. Who was it that did the work showing the modern basis for the periodic table? 14. Who was responsible for developing the Actinide series and what did he discover? 15. What are groups on the periodic table ? 16. Ho ...
... 12. What is true of elements 1-92? What is true of elements above 92 on the table? 13. Who was it that did the work showing the modern basis for the periodic table? 14. Who was responsible for developing the Actinide series and what did he discover? 15. What are groups on the periodic table ? 16. Ho ...
Periodic Trends
... increasing the attraction between the nucleus and the outer energy level resulting in a greater ability for atoms to attract electrons to it. ...
... increasing the attraction between the nucleus and the outer energy level resulting in a greater ability for atoms to attract electrons to it. ...
Periodicity
... • the noble gases are unreactive since they have a completely filled shell and are the lowest in energy. ...
... • the noble gases are unreactive since they have a completely filled shell and are the lowest in energy. ...
The World of Chemistry - Mercer Island School District
... 3. How many elements are on the modern periodic table? How many of these can be found in nature? 4. Why do the symbols for some elements (such as iron) seem to have no relationship to their name? 5. What is meant by the atomic and mass number of an element? 6. Elements in the periodic table are arra ...
... 3. How many elements are on the modern periodic table? How many of these can be found in nature? 4. Why do the symbols for some elements (such as iron) seem to have no relationship to their name? 5. What is meant by the atomic and mass number of an element? 6. Elements in the periodic table are arra ...
Unit 9: Periodicity
... to one another and to other metals, but their properties do not fit in with those of any other family. Many transition metals combine chemically with oxygen to form compounds called ...
... to one another and to other metals, but their properties do not fit in with those of any other family. Many transition metals combine chemically with oxygen to form compounds called ...
How to 2 Video Narrative
... How to 2 Video Narrative Let’s explore how elements are arranged in periods. Periods are horizontal rows on the Periodic Table. Periods go across the Periodic Table from the left to the right. Recall the location of the atomic numbers of the elements. Do you notice how the atomic numbers increase as ...
... How to 2 Video Narrative Let’s explore how elements are arranged in periods. Periods are horizontal rows on the Periodic Table. Periods go across the Periodic Table from the left to the right. Recall the location of the atomic numbers of the elements. Do you notice how the atomic numbers increase as ...
Day 13 Main Group Pt 1
... Grignard reagents, RMgBr, in which the carbon-magnesium bond has considerable covalent character. ...
... Grignard reagents, RMgBr, in which the carbon-magnesium bond has considerable covalent character. ...
Document
... A) alkali metals have the lowest ionization energy B) alkali metals have the highest ionization energy C) halogens metals have the lowest ionization energy D) inert gases metals have the lowest ionization energy ...
... A) alkali metals have the lowest ionization energy B) alkali metals have the highest ionization energy C) halogens metals have the lowest ionization energy D) inert gases metals have the lowest ionization energy ...
2.5 THE NAMES AND FORMULAS OF COMPOUNDS
... (c) Hydrogen cyanide is a polar covalent molecule that ionizes in water to form H+, and CN. The ionic nature of the compound could be verified by dissolving the substance in water and testing for electrical conductivity. The covalent nature of the compound could be verified by calculating the elect ...
... (c) Hydrogen cyanide is a polar covalent molecule that ionizes in water to form H+, and CN. The ionic nature of the compound could be verified by dissolving the substance in water and testing for electrical conductivity. The covalent nature of the compound could be verified by calculating the elect ...
notes - unit 3 - periodic table_student_2014
... blue when dissolved in water) This concept is ________ on the __________________!!! Tend to be _________________ almost every transition metal can _________________________________ depending on what other elements or polyatomic ions are present Have multiple oxidation states _________ reac ...
... blue when dissolved in water) This concept is ________ on the __________________!!! Tend to be _________________ almost every transition metal can _________________________________ depending on what other elements or polyatomic ions are present Have multiple oxidation states _________ reac ...
Elements – (Metals)
... Ductile – drawn into wire Malleable – pounded into plate 4) Form positive ions Metals readily lose one or more electrons since electron configuration is such that many inner electrons shield full charge of nucleus and so outer electrons are not as strongly held. For example K forms K+ but Cl is apt ...
... Ductile – drawn into wire Malleable – pounded into plate 4) Form positive ions Metals readily lose one or more electrons since electron configuration is such that many inner electrons shield full charge of nucleus and so outer electrons are not as strongly held. For example K forms K+ but Cl is apt ...
synopsis - Mindfiesta
... When Mendeleev developed his Periodic Table, chemists knew nothing about the internal structure of atom. Modern Periodic Law : The physical and chemical properties of the elements are periodic functions of their atomic numbers. Elements having similar outer electronic configurations in their atoms a ...
... When Mendeleev developed his Periodic Table, chemists knew nothing about the internal structure of atom. Modern Periodic Law : The physical and chemical properties of the elements are periodic functions of their atomic numbers. Elements having similar outer electronic configurations in their atoms a ...
Slide 1 - Herricks
... Electronegativity- The ability of an atom to attract electrons when the atom is in a compound As you move across a period EN increases because nuclear charge increases and shielding effect remains constant so the nucleus is able to attract electrons better. As you move down a group EN decreases be ...
... Electronegativity- The ability of an atom to attract electrons when the atom is in a compound As you move across a period EN increases because nuclear charge increases and shielding effect remains constant so the nucleus is able to attract electrons better. As you move down a group EN decreases be ...
Periodic Table
... Have properties of both metals and nonmetals: - May be shiny or dull - Shape is easily changed - Typically conduct heat and electricity better than nonmetals but not as well as metals - Often used as semiconductors ...
... Have properties of both metals and nonmetals: - May be shiny or dull - Shape is easily changed - Typically conduct heat and electricity better than nonmetals but not as well as metals - Often used as semiconductors ...
Periodic Table
... ____ 16. Which of the following is true about the electron configurations of the noble gases? a. The highest occupied s and p sublevels are completely filled. b. The highest occupied s and p sublevels are partially filled. c. The electrons with the highest energy are in a d sublevel. d. The electron ...
... ____ 16. Which of the following is true about the electron configurations of the noble gases? a. The highest occupied s and p sublevels are completely filled. b. The highest occupied s and p sublevels are partially filled. c. The electrons with the highest energy are in a d sublevel. d. The electron ...
Periodic Table - Mrs. Sousa`s Science Site
... Ones place is the number of valence electrons In other words- for 13-18 put your finger over the #1! Ex. Family 16 has 6 valence electrons Valence electrons are those in the outer energy level – they are used for bonding and come from the s & p orbital space Noble Gases (group #18) all have 8 valenc ...
... Ones place is the number of valence electrons In other words- for 13-18 put your finger over the #1! Ex. Family 16 has 6 valence electrons Valence electrons are those in the outer energy level – they are used for bonding and come from the s & p orbital space Noble Gases (group #18) all have 8 valenc ...